They say levels of a protein called Shh need to remain largely unchanged in a developing fetus for the palate to develop correctly.

VOA: special.2009.12.22

Carrots need time to develop their full sugar content.

VOA: special.2009.02.24

U.S.coach Mark Johnson said that fans need to be patient with teams that are trying to develop in a sport where they do not have a strong tradition.

VOA: standard.2010.02.15

But in a published commentary on the research,Simon Fisher, a speech and language researcher at the Wellcome Trust Center for Human Genetics at Oxford University cautions that before researchers can develop a drug therapy for stuttering,they will need to learn much more about the precise biochemical mechanism of the disorder.

VOA: standard.2010.02.11